Noah K. Murray/The Star-LedgerJenrry Mejia pitched well as a starter for Triple-A Buffalo this season.

ST. LOUIS – Good afternoon from Busch Stadium. The Mets’ cavalcade of call-ups has arrived. The two most interesting players are Jenrry Mejia and Jeurys Familia, good friends and fellow right-handed pitchers.

Familia will work in relief for the time being. He may start once, manager Terry Collins said. Familia had a rough season with Triple-A Buffalo. He walked 4.8 batters per nine innings.

“When you’ve got a young power arm like that, when it’s a bumpy road, it’s all about command,” Familia said. “He’s a guy who you’re trying to get to use his secondary pitches, and yet still learn how to command his fastball. Because this guy can throw 98 mph. When he does, he’s effective – when he throws it over. Because he’s tough to hit.”

Mejia will eventually receive a start or two. The team has yet to determine when that will be.

“Another guy that we’re anxious to see,” Collins said. “Because he could be a big piece of the puzzle coming up real soon.”

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Collins heard a new version on Carlos Beltran’s dugout heroics yesterday, when Beltran alerted Cardinals Mike Matheny to protest Andres Torres’ ninth-inning double. Beltran, Collins said, was in the cage hitting and heard the announcer on the St. Louis television broadcast talking about Torres missing first base.

Beltran was just “the delivery boy,” Collins said in jest. He added, “I guess he doesn’t like me as much as I thought he did.”

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Lefty reliever Tim Byrdak will undergo surgery on the anterior capsule in his left shoulder tomorrow at the Hospital for Special Surgery.